How do tornadoes start?

Related questions

1. Do you open doors during a tornado?
2. How do you survive a tornado?
3. Can a bomb disrupt a hurricane?
4. Can Tornadoes be stopped?
5. Can a tornado pick up a person?
6. Can a tornado suffocate you?
7. Can tornadoes jump?
8. What is Python tornado?
9. What should you not do during a tornado?
10. Would a bomb stop a tornado?

Tags

1. #funnel
2. #tornado
3. #moves
4. #ground
5. #eventually
6. #create
7. #cloud
8. #storm
9. #shaped
10. #winds
11. #upward
12. #becomes
13. #spinning
14. #begin
15. #touches
16. #causing
17. #instabilities